00824nam a2200229Ia 4500003000900000008004100009020001800050040001600068080001600084100002900100245012400129260004100253300001400294650003300308650002200341650002600363650001900389650002800408942000700436999001700443952013400460IN-BaIIA211028s9999 xx 000 0 eng d a0-935702-22-9 cIIA Library a524.54bOST aOsterbrock, D. E.924143 0aAstrophysics of gaseous nebulae and active galactic nucleicD. E. Osterbrock  aCaliforniabUniversity Sciencec1989 axv, 408p. aActive galactic nuclei96209 aAstrophysics9794 aGaseous nebulae92296 aNabulae916298 aSeyfert galaxies915370 cBK c15269d15269 00104070aBANbHOScGENd2003-08-01eEDS g2224.98l0o524.54/ OSTp16191r2021-11-05v2224.98w2003-08-01yBKGRs. 2224.98